One million

Write the million number (1000000) by using only 9 numbers and algebraic operations plus, minus, times, divided, powers, and squares. Find at least three different solutions.

Correct result:

a =  1000000
b =  1000000
c =  1000000


b=99999 (9+9/9)+99/99/9=1000000=1.000000106

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